@book{8571,
	author = {Barnett, Raymond A. and Ziegler, Michael R.},
	title = {Analytic Trigonometry With Applications /},
	publisher = {John Wiley,},
	year = {c2006.},
	address = {Hoboken, NJ :},
	edition = {9th ed.},
	note = {Includes indexes.},
	url = {http://www.loc.gov/catdir/enhancements/fy0625/2005055151-d.html}
}